#ifndef _TIMER_H
#define _TIMER_H
#include "sys.h"
#include "stm32f4xx_gpio.h"
#include "stm32f4xx_tim.h"
#include "stm32f4xx_rcc.h"

void TIM3_PWM_Init(uint arr,uint psc);
void TIM5_PWM_Init(uint arr,uint psc);

#endif
